138428493390
138,428,493,390 is an even composite number composed of eight prime numbers multiplied together.
138428493390 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 138428493390:
2 × 32 × 5 × 11 × 71 × 79 × 97 × 257
(2 × 3 × 3 × 5 × 11 × 71 × 79 × 97 × 257)See below for interesting mathematical facts about the number 138428493390 from the Numbermatics database.
Names of 138428493390
- Cardinal: 138428493390 can be written as One hundred thirty-eight billion, four hundred twenty-eight million, four hundred ninety-three thousand, three hundred ninety.
Scientific notation
- Scientific notation: 1.3842849339 × 1011
Factors of 138428493390
Divisors of 138428493390
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 71 79 90 97 99 110 142 158 165 194 198 213 237 257 291 330 355 395 426 474 485 495 514 582 639 710 711 771 781 790 869 873 970 990 1065 1067 1185 1278 1285 1422 1455 1542 1562 1738 1746 2130 2134 2313 2343 2370 2570 2607 2827 2910 3195 3201 3555 3855 3905 4345 4365 4626 4686 5214 5335 5609 5654 6390 6402 6887 7029 7110 7663 7710 7810 7821 8481 8690 8730 9603 10670 11218 11565 11715 13035 13774 14058 14135 15326 15642 16005 16827 16962 18247 19206 20303 20661 22989 23130 23430 24929 25443 26070 28045 28270 32010 33654 34435 35145 36494 38315 39105 40606 41322 42405 45978 48015 49858 50481 50886 54741 56090 60909 61699 61983 68870 68967 70290 74787 75757 76630 78210 84135 84293 84810 91235 96030 100962 101515 103305 109482 114945 121818 123398 123966 124645 127215 137934 149574 151514 164223 168270 168586 182470 182727 185097 200717 203030 206610 223333 224361 227271 229890 249290 252405 252879 254430 273705 274219 304545 308495 309915 328446 344835 365454 370194 373935 378785 401434 421465 446666 448722 454542 504810 505758 544073 547410 548438 555291 602151 609090 616990 619830 669999 681813 689670 747870 757570 758637 821115 822657 842930 913635 925485 1003585 1088146 1110582 1116665 1121805 1136355 1204302 1264395 1339998 1363626 1371095 1441513 1517274 1632219 1642230 1645314 1769959 1806453 1827270 1850970 1969391 2007170 2009997 2233330 2243610 2272710 2467971 2528790 2720365 2742190 2776455 2883026 3010755 3264438 3349995 3409065 3539918 3612906 3793185 3938782 4019994 4113285 4324539 4896657 4935942 5309877 5440730 5552910 5908173 5984803 6021510 6699990 6818130 7207565 7586370 8161095 8226570 8649078 8849795 9032265 9793314 9846955 10049985 10619754 11816346 11969606 12339855 12973617 14415130 15856643 15929631 16322190 17699590 17724519 17954409 18064530 19469549 19693910 20099970 21622695 21663301 24483285 24679710 25947234 26549385 29540865 29924015 31713286 31859262 35449038 35908818 38939098 43245390 43326602 47569929 48966570 53098770 53863227 58408647 59081730 59848030 64868085 64989903 79283215 79648155 88622595 89772045 95139858 97347745 107726454 108316505 116817294 129736170 129979806 139826761 142709787 158566430 159296310 175225941 177245190 179544090 194695490 194969709 216633010 237849645 269316135 279653522 285419574 292043235 324949515 350451882 389939418 419480283 475699290 538632270 584086470 649899030 699133805 713548935 838960566 876129705 974848545 1258440849 1398267610 1427097870 1538094371 1752259410 1949697090 2097401415 2516881698 3076188742 4194802830 4614283113 6292204245 7690471855 9228566226 12584408490 13842849339 15380943710 23071415565 27685698678 46142831130 69214246695 138428493390
- Sum of all divisors σ(n): 408945438720
- Sum of proper divisors (its aliquot sum) s(n): 270516945330
- 138428493390 is an abundant number, because the sum of its proper divisors (270516945330) is greater than itself. Its abundance is 132088451940
Bases of 138428493390
- Binary: 100000001110101111101100101110010011102
- Hexadecimal: 0x203AFB2E4E
- Base-36: 1RLCR13I
Squares and roots of 138428493390
- 138428493390 squared (1384284933902) is 19162447782225273692100
- 138428493390 cubed (1384284933903) is 2652628776157991458777805745219000
-
The
square root of 138428493390 is 372059.7981373423 -
The
cube root of 138428493390 is 5172.9922853815
Scales and comparisons
How big is 138428493390?- 138,428,493,390 seconds is equal to 4,401 years, 31 weeks, 15 hours, 16 minutes, 30 seconds.
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To count from 1 to 138,428,493,390 would take you about eight thousand, eight hundred three years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 138428493390 cubic inches would be around 431.1 feet tall.
Recreational maths with 138428493390
- 138428493390 backwards is 093394824831
- The number of decimal digits it has is: 12
- The sum of 138428493390's digits is 54
- More coming soon!
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The information we have on file for 138428493390 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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